Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC/64]: Consolidate of_register_driver
  [SPARC] Videopix Frame Grabber: Convert device_lock_sem to mutex
  [SPARC]: Support for new termios.
  [SPARC64]: Check of_get_property() return in pci_determine_mem_io_space().
  [SPARC64]: Fix boot failures due to bootmem.
  [SPARC64]: Implement atomic backoff.

10 files changed, 159 insertions, 13 deletions

diff --git a/include/asm-sparc/ioctls.h b/include/asm-sparc/ioctls.h
index bdf77b0dfd8e..058c2064f706 100644
--- a/include/asm-sparc/ioctls.h
+++ b/include/asm-sparc/ioctls.h
@@ -15,6 +15,10 @@
 #define TCSETS          _IOW('T', 9, struct termios)
 #define TCSETSW         _IOW('T', 10, struct termios)
 #define TCSETSF         _IOW('T', 11, struct termios)
+#define TCGETS2         _IOR('T', 12, struct termios2)
+#define TCSETS2         _IOW('T', 13, struct termios2)
+#define TCSETSW2        _IOW('T', 14, struct termios2)
+#define TCSETSF2        _IOW('T', 15, struct termios2)
 
 /* Note that all the ioctls that are not available in Linux have a 
  * double underscore on the front to: a) avoid some programs to
diff --git a/include/asm-sparc/of_platform.h b/include/asm-sparc/of_platform.h
index 64a230064ef2..d638737ff13c 100644
--- a/include/asm-sparc/of_platform.h
+++ b/include/asm-sparc/of_platform.h
@@ -18,12 +18,9 @@
 
 extern struct bus_type ebus_bus_type;
 extern struct bus_type sbus_bus_type;
-extern struct bus_type of_platform_bus_type;
+
 #define of_bus_type     of_platform_bus_type    /* for compatibility */
 
-extern int of_register_driver(struct of_platform_driver *drv,
-                              struct bus_type *bus);
-extern void of_unregister_driver(struct of_platform_driver *drv);
 extern struct of_device *of_platform_device_create(struct device_node *np,
                                                    const char *bus_id,
                                                    struct device *parent,
diff --git a/include/asm-sparc/termbits.h b/include/asm-sparc/termbits.h
index 5eb00a105d7c..90cf2210118b 100644
--- a/include/asm-sparc/termbits.h
+++ b/include/asm-sparc/termbits.h
@@ -31,6 +31,18 @@ struct termios {
 #endif
 };
 
+struct termios2 {
+        tcflag_t c_iflag;               /* input mode flags */
+        tcflag_t c_oflag;               /* output mode flags */
+        tcflag_t c_cflag;               /* control mode flags */
+        tcflag_t c_lflag;               /* local mode flags */
+        cc_t c_line;                    /* line discipline */
+        cc_t c_cc[NCCS];                /* control characters */
+        cc_t _x_cc[2];                  /* padding to match ktermios */
+        speed_t c_ispeed;               /* input speed */
+        speed_t c_ospeed;               /* output speed */
+};
+
 struct ktermios {
         tcflag_t c_iflag;               /* input mode flags */
         tcflag_t c_oflag;               /* output mode flags */
@@ -160,6 +172,7 @@ struct ktermios {
 #define CLOCAL    0x00000800
 #define CBAUDEX   0x00001000
 /* We'll never see these speeds with the Zilogs, but for completeness... */
+#define  BOTHER   0x00001000
 #define  B57600   0x00001001
 #define  B115200  0x00001002
 #define  B230400  0x00001003
@@ -189,6 +202,8 @@ struct ktermios {
 #define CMSPAR    0x40000000  /* mark or space (stick) parity */
 #define CRTSCTS   0x80000000  /* flow control */
 
+#define IBSHIFT   16            /* Shift from CBAUD to CIBAUD */
+
 /* c_lflag bits */
 #define ISIG    0x00000001
 #define ICANON  0x00000002
diff --git a/include/asm-sparc/termios.h b/include/asm-sparc/termios.h
index d767f206ab33..4333232abb9f 100644
--- a/include/asm-sparc/termios.h
+++ b/include/asm-sparc/termios.h
@@ -108,13 +108,55 @@ struct winsize {
 
 #define user_termios_to_kernel_termios(k, u) \
 ({ \
+        int err; \
+        err  = get_user((k)->c_iflag, &(u)->c_iflag); \
+        err |= get_user((k)->c_oflag, &(u)->c_oflag); \
+        err |= get_user((k)->c_cflag, &(u)->c_cflag); \
+        err |= get_user((k)->c_lflag, &(u)->c_lflag); \
+        err |= get_user((k)->c_line,  &(u)->c_line); \
+        err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
+        if ((k)->c_lflag & ICANON) { \
+                err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+                err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+        } else { \
+                err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
+                err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+        } \
+        err |= get_user((k)->c_ispeed,  &(u)->c_ispeed); \
+        err |= get_user((k)->c_ospeed,  &(u)->c_ospeed); \
+        err; \
+})
+
+#define kernel_termios_to_user_termios(u, k) \
+({ \
+        int err; \
+        err  = put_user((k)->c_iflag, &(u)->c_iflag); \
+        err |= put_user((k)->c_oflag, &(u)->c_oflag); \
+        err |= put_user((k)->c_cflag, &(u)->c_cflag); \
+        err |= put_user((k)->c_lflag, &(u)->c_lflag); \
+        err |= put_user((k)->c_line, &(u)->c_line); \
+        err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
+        if (!((k)->c_lflag & ICANON)) { \
+                err |= put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
+                err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+        } else { \
+                err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+                err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+        } \
+        err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \
+        err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \
+        err; \
+})
+
+#define user_termios_to_kernel_termios_1(k, u) \
+({ \
         get_user((k)->c_iflag, &(u)->c_iflag); \
         get_user((k)->c_oflag, &(u)->c_oflag); \
         get_user((k)->c_cflag, &(u)->c_cflag); \
         get_user((k)->c_lflag, &(u)->c_lflag); \
         get_user((k)->c_line,  &(u)->c_line); \
         copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
-        if((k)->c_lflag & ICANON) { \
+        if ((k)->c_lflag & ICANON) { \
                 get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
                 get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
         } else { \
@@ -124,7 +166,7 @@ struct winsize {
         0; \
 })
 
-#define kernel_termios_to_user_termios(u, k) \
+#define kernel_termios_to_user_termios_1(u, k) \
 ({ \
         put_user((k)->c_iflag, &(u)->c_iflag); \
         put_user((k)->c_oflag, &(u)->c_oflag); \
@@ -132,7 +174,7 @@ struct winsize {
         put_user((k)->c_lflag, &(u)->c_lflag); \
         put_user((k)->c_line, &(u)->c_line); \
         copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
-        if(!((k)->c_lflag & ICANON)) { \
+        if (!((k)->c_lflag & ICANON)) { \
                 put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
                 put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
         } else { \
diff --git a/include/asm-sparc64/backoff.h b/include/asm-sparc64/backoff.h
new file mode 100644
index 000000000000..0e32f8b62fd2
--- /dev/null
+++ b/include/asm-sparc64/backoff.h
@@ -0,0 +1,28 @@
+#ifndef _SPARC64_BACKOFF_H
+#define _SPARC64_BACKOFF_H
+
+#define BACKOFF_LIMIT   (4 * 1024)
+
+#ifdef CONFIG_SMP
+
+#define BACKOFF_SETUP(reg)      \
+        mov     1, reg
+
+#define BACKOFF_SPIN(reg, tmp, label)   \
+        mov     reg, tmp; \
+88:     brnz,pt tmp, 88b; \
+         sub    tmp, 1, tmp; \
+        cmp     reg, BACKOFF_LIMIT; \
+        bg,pn   %xcc, label; \
+         nop; \
+        ba,pt   %xcc, label; \
+         sllx   reg, 1, reg;
+
+#else
+
+#define BACKOFF_SETUP(reg)
+#define BACKOFF_SPIN(reg, tmp, label)
+
+#endif
+
+#endif /* _SPARC64_BACKOFF_H */
diff --git a/include/asm-sparc64/ioctls.h b/include/asm-sparc64/ioctls.h
index 2223b6d0e5ed..083c9a0f37de 100644
--- a/include/asm-sparc64/ioctls.h
+++ b/include/asm-sparc64/ioctls.h
@@ -16,6 +16,10 @@
 #define TCSETS          _IOW('T', 9, struct termios)
 #define TCSETSW         _IOW('T', 10, struct termios)
 #define TCSETSF         _IOW('T', 11, struct termios)
+#define TCGETS2         _IOR('T', 12, struct termios2)
+#define TCSETS2         _IOW('T', 13, struct termios2)
+#define TCSETSW2        _IOW('T', 14, struct termios2)
+#define TCSETSF2        _IOW('T', 15, struct termios2)
 
 /* Note that all the ioctls that are not available in Linux have a 
  * double underscore on the front to: a) avoid some programs to
diff --git a/include/asm-sparc64/of_platform.h b/include/asm-sparc64/of_platform.h
index f7c1f17c7d52..f15cfa723916 100644
--- a/include/asm-sparc64/of_platform.h
+++ b/include/asm-sparc64/of_platform.h
@@ -19,12 +19,9 @@
 extern struct bus_type isa_bus_type;
 extern struct bus_type ebus_bus_type;
 extern struct bus_type sbus_bus_type;
-extern struct bus_type of_platform_bus_type;
+
 #define of_bus_type     of_platform_bus_type    /* for compatibility */
 
-extern int of_register_driver(struct of_platform_driver *drv,
-                              struct bus_type *bus);
-extern void of_unregister_driver(struct of_platform_driver *drv);
 extern struct of_device *of_platform_device_create(struct device_node *np,
                                                    const char *bus_id,
                                                    struct device *parent,
diff --git a/include/asm-sparc64/termbits.h b/include/asm-sparc64/termbits.h
index 705cd44b4173..ebe31c152f16 100644
--- a/include/asm-sparc64/termbits.h
+++ b/include/asm-sparc64/termbits.h
@@ -5,8 +5,6 @@
 
 typedef unsigned char   cc_t;
 typedef unsigned int    speed_t;
-
-/* XXX is this right for sparc64?  it was an unsigned long... XXX */
 typedef unsigned int    tcflag_t;
 
 #define NCC 8
@@ -33,6 +31,18 @@ struct termios {
 #endif
 };
 
+struct termios2 {
+        tcflag_t c_iflag;               /* input mode flags */
+        tcflag_t c_oflag;               /* output mode flags */
+        tcflag_t c_cflag;               /* control mode flags */
+        tcflag_t c_lflag;               /* local mode flags */
+        cc_t c_line;                    /* line discipline */
+        cc_t c_cc[NCCS];                /* control characters */
+        cc_t _x_cc[2];                  /* padding to match ktermios */
+        speed_t c_ispeed;               /* input speed */
+        speed_t c_ospeed;               /* output speed */
+};
+
 struct ktermios {
         tcflag_t c_iflag;               /* input mode flags */
         tcflag_t c_oflag;               /* output mode flags */
@@ -161,6 +171,7 @@ struct ktermios {
 #define HUPCL     0x00000400
 #define CLOCAL    0x00000800
 #define CBAUDEX   0x00001000
+#define  BOTHER   0x00001000
 #define  B57600   0x00001001
 #define  B115200  0x00001002
 #define  B230400  0x00001003
@@ -190,6 +201,8 @@ struct ktermios {
 #define CMSPAR    0x40000000  /* mark or space (stick) parity */
 #define CRTSCTS   0x80000000  /* flow control */
 
+#define IBSHIFT   16            /* Shift from CBAUD to CIBAUD */
+
 /* c_lflag bits */
 #define ISIG    0x00000001
 #define ICANON  0x00000002
diff --git a/include/asm-sparc64/termios.h b/include/asm-sparc64/termios.h
index f05d390993d5..ef527211f8a8 100644
--- a/include/asm-sparc64/termios.h
+++ b/include/asm-sparc64/termios.h
@@ -123,6 +123,8 @@ struct winsize {
                 err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
                 err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
         } \
+        err |= get_user((k)->c_ispeed,  &(u)->c_ispeed); \
+        err |= get_user((k)->c_ospeed,  &(u)->c_ospeed); \
         err; \
 })
 
@@ -142,6 +144,46 @@ struct winsize {
                 err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
                 err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
         } \
+        err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \
+        err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \
+        err; \
+})
+
+#define user_termios_to_kernel_termios_1(k, u) \
+({ \
+        int err; \
+        err  = get_user((k)->c_iflag, &(u)->c_iflag); \
+        err |= get_user((k)->c_oflag, &(u)->c_oflag); \
+        err |= get_user((k)->c_cflag, &(u)->c_cflag); \
+        err |= get_user((k)->c_lflag, &(u)->c_lflag); \
+        err |= get_user((k)->c_line,  &(u)->c_line); \
+        err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
+        if((k)->c_lflag & ICANON) { \
+                err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+                err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+        } else { \
+                err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
+                err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+        } \
+        err; \
+})
+
+#define kernel_termios_to_user_termios_1(u, k) \
+({ \
+        int err; \
+        err  = put_user((k)->c_iflag, &(u)->c_iflag); \
+        err |= put_user((k)->c_oflag, &(u)->c_oflag); \
+        err |= put_user((k)->c_cflag, &(u)->c_cflag); \
+        err |= put_user((k)->c_lflag, &(u)->c_lflag); \
+        err |= put_user((k)->c_line, &(u)->c_line); \
+        err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
+        if(!((k)->c_lflag & ICANON)) { \
+                err |= put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
+                err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+        } else { \
+                err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+                err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+        } \
         err; \
 })
 
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 448f70b30a0c..a8efcfeea732 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -48,6 +48,10 @@ struct of_platform_driver
 #define to_of_platform_driver(drv) \
         container_of(drv,struct of_platform_driver, driver)
 
+extern int of_register_driver(struct of_platform_driver *drv,
+                              struct bus_type *bus);
+extern void of_unregister_driver(struct of_platform_driver *drv);
+
 #include <asm/of_platform.h>
 
 extern struct of_device *of_find_device_by_node(struct device_node *np);